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All results from a given calculation for S8 (Octasulfur)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D4D 1A1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-3184.288165
Energy at 298.15K-3184.289065
HF Energy-3183.949766
Nuclear repulsion energy1190.323392
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 472 448 0.00      
2 A1 215 204 0.00      
3 B1 400 380 0.00      
4 B2 249 236 6.82      
5 E1 464 441 1.45      
5 E1 464 441 1.45      
6 E1 194 184 4.18      
6 E1 194 184 4.18      
7 E2 464 441 0.00      
7 E2 464 441 0.00      
8 E2 148 141 0.00      
8 E2 148 141 0.00      
9 E2 73 70 0.00      
9 E2 73 70 0.00      
10 E3 422 401 0.00      
10 E3 422 401 0.00      
11 E3 251 238 0.00      
11 E3 251 238 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2683.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 2547.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-31G*
ABC
0.02110 0.02110 0.01144

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is D4d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 2.400 0.494
S2 2.400 0.000 0.494
S3 0.000 -2.400 0.494
S4 -2.400 0.000 0.494
S5 -1.697 1.697 -0.494
S6 -1.697 -1.697 -0.494
S7 1.697 -1.697 -0.494
S8 1.697 1.697 -0.494

Atom - Atom Distances (Å)
  S1 S2 S3 S4 S5 S6 S7 S8
S13.39434.80033.39432.08564.54354.54352.0856
S23.39433.39434.80034.54354.54352.08562.0856
S34.80033.39433.39434.54352.08562.08564.5435
S43.39434.80033.39432.08562.08564.54354.5435
S52.08564.54354.54352.08563.39434.80033.3943
S64.54354.54352.08562.08563.39433.39434.8003
S74.54352.08562.08564.54354.80033.39433.3943
S82.08562.08564.54354.54353.39434.80033.3943

picture of Octasulfur state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 S5 S4 108.928 S1 S8 S2 108.928
S2 S7 S3 108.928 S3 S6 S4 108.928
S5 S1 S8 108.928 S5 S4 S6 108.928
S6 S3 S7 108.928 S7 S2 S8 108.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.000      
2 S 0.000      
3 S 0.000      
4 S 0.000      
5 S 0.000      
6 S 0.000      
7 S 0.000      
8 S 0.000      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 25.362 0.000 0.000
y 0.000 25.362 0.000
z 0.000 0.000 12.568


<r2> (average value of r2) Å2
<r2> 834.758
(<r2>)1/2 28.892